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Dell SmartFabric OS10 Glossary

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Performance monitoring
A process that establishes baselines and defines triggers for detecting performance problems.
PIM Shared Tree (RP Tree)
A unidirectional multicast tree whose root node is the RP. When receivers want to join a multicast group, they send join messages along the shared tree towards the RP.
PIM Shortest Path Tree (SPT)
A shortest path that a multicast packet can take from source to receiver.
PIM Source Specific Multicast (PIM-SSM)
A subset of PIM sparse mode and IGMP version 3 (IGMPv3). PIM-SSM allows receivers to specify the source from which to receive data and the multicast group they want to join.
PIM Sparse Mode (PIM-SM)
A multicast routing protocol that is applicable to large-scale multicast networks with scattered members.
Policy-based route-maps
An ordered set of rules that control the redistribution of IP routes into a protocol domain.
Policy-based routing
A mechanism to redirect IPv4 and IPv6 data packets based on the policies defined to override the forwarding decision of the switch. The forwarding decisions are based on the routing table.
Port Monitoring (Local or Remote)
A process that monitors the ingress and egress traffic on specified ports. Monitoring methods include port-mirroring, remote port monitoring, and encapsulated remote-port monitoring.
Port security
The MAC addresses of the workstations that are allowed to access a port.
Port-scoped VLAN
A Port-VLAN pair that maps to a virtual network ID (VNID). Assign an individual member interface to a virtual network as a tagged or an untagged member.
Precision Time Protocol (PTP)
A protocol that synchronizes clocks on network devices.
Principal switch
A switch that assigns and maintains a unique domain ID across the fabric.
Priority Flow Control (PFC)
A mechanism that prevents frame loss due to congestion. The process uses priority-based flow control to ensure lossless transmission of storage traffic, while transmitting other traffic classes that perform better without flow control.
Privilege levels
A mechanism that limits user access. OS10 supports 16 privilege levels.
Protocol Independent Multicast (PIM)
A standard multicast routing protocol for IP networks that provide one-to-many and many-to-many distribution of data. It is used to dynamically establish and maintain multicast distribution trees and is independent of the mechanisms that any specific unicast routing protocol provides.
Public Key Infrastructure (PKI)
A cybersecurity framework that secures communication and data exchange.

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